Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.44
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -5.75 -0.375 2.15
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index -0.24
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -2.46
Gestation Length (days) 2.68 -0.919 -2.46
Beef Sub Index -2.90
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -0.93

* Based on an €80/tonne carbon price